#566BCD#566BCD

#566BCD is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.1% C 0.152 H 271.6°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#566BCD
RGB	rgb(86, 107, 205)
HSL	hsl(229, 54%, 57%)
HSV	hsv(229, 58%, 80%)
CMYK	cmyk(58%, 47.8%, 0%, 19.6%)
CIE-LAB	lab(48.13, 21.51, -53.35)
CIE-LCH	lch(48.13, 57.52, 291.96°)
OKLab	oklab(56.09% 0.0042 -0.1523)
OKLCH	oklch(56.09% 0.152 271.6)
XYZ	xyz(20.1112, 16.9001, 59.9480)
Luminance	0.1690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BCD #CDB856

analogous

#56A6CD #566BCD #7D56CD

triadic

#566BCD #CD566B #6BCD56

tetradic

#566BCD #CD56A6 #CDB856 #56CD7D

square

#566BCD #CD56A6 #CDB856 #56CD7D

split-complementary

#566BCD #CD7D56 #A6CD56

monochromatic

#263782 #344BB1 #566BCD #8594DB #B4BEE9

Accessibility & contrast

On white

4.79

#566BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#566BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566BCD

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BCD	#FFFFFF	#000000	##FFFFFF
##566BCD	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B78D1

Deuteranopia (green-blind)

#286DCB

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #566bcd;
/* rgb */ color: rgb(86, 107, 205);
/* oklch */ color: oklch(56.1% 0.152 271.6);

Tailwind

colors: {
  custom: {
    50: '#8f95dd',
    500: '#566bcd',
    950: '#000000',
  },
}

SCSS

$custom: #566bcd;
$custom-light: #8f95dd;
$custom-dark: #000000;

JSON

{
  "hex": "#566bcd",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 205
  },
  "hsl": {
    "h": 229.412,
    "s": 54.338,
    "l": 57.059
  },
  "oklch": {
    "l": 0.5609,
    "c": 0.15239,
    "h": 271.6
  },
  "luminance": 0.16902
}

Semantic roles & 50–950 ramp

primary

#566BCD

secondary

#D8CFA7

accent

#C44ADE

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566BCD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →